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Error 0x80070057

How to Fix Windows Error 0x80070057 (Parameter is Incorrect)

Fix time: 25 mins Difficulty: Hard 0 views Updated: July 2026

Resolve partition formatting, Backup, or Windows Update error 0x80070057.

Symptoms

  • "The parameter is incorrect" error pops up
  • System backup fails with code 0x80070057

Common Causes

  • System Registry values corrupted
  • Decimal separator settings in localized versions

Step-by-Step Solutions

Method 1: Repair Registry Value

  1. Open regedit via Run.
  2. Navigate to HKLM\SOFTWARE\Policies\Microsoft\SystemCertificates.
  3. Create a DWORD named CopyFileBufferedThreshold and set value to 1.

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Frequently Asked Questions

Sometimes, if the incorrect parameter is caused by hard drive sector errors. Run chkdsk C: /f.